Limestone County, AL Car Tax & Registration (2026)
In Limestone County (Athens), a car purchase is taxed at about 3.5% combined — Alabama's reduced 2% state auto rate plus Limestone County and city auto taxes. You also pay an annual ad valorem property tax at registration, based on the vehicle's value and the local millage. Alabama has no emissions test and no safety inspection.
Verified July 2026 from official sources. How we verify fees.
What you'll pay in Limestone County
- Combined auto sales tax: ~3.5% (state 2% + county + city)
- Annual ad valorem: value × 15% × Limestone millage (roughly $130–$220/yr on a $20k car)
- Registration: ~$23 · Title: $15 (statewide)
- Emissions / safety inspection: None (statewide)
How the tax works
Alabama uses a reduced 2% state rate for cars (not the 4% you'll see quoted for general purchases), and Limestone County and its cities add their own auto rates — so the ~3.5% here is typical around Athens and can be lower in unincorporated areas. Separately, the ad valorem property tax is billed every year at registration. Estimate the purchase cost on our Alabama title & tax page.
Frequently asked questions
What is the car sales tax in Limestone County, AL?
About 3.5% combined around Athens — Alabama's reduced 2% auto rate plus Limestone County and city auto taxes. Note that any ~9-10% "general" rate you see quoted doesn't apply to vehicles.
How much is the ad valorem tax in Limestone County?
It's the vehicle's market value × 15% (Class IV) × Limestone County's millage, billed annually at registration — typically $130–$220 a year on a $20,000 car, depending on your city's millage.
Does Limestone County require an emissions or safety inspection?
No — Alabama has neither statewide, so Limestone County requires no inspection to register or renew.